This page provides postcode data for the Cardiff UK Unitary Authority.
In 2021, Cardiff contained approximately 147,300 households with a population of about 362,400
In 2011, Cardiff contained approximately 142,598 households with a population of about 346,191
| Postcode | Ward | Latitude | Longitude | Easting | Northing | Grid ref |
|---|---|---|---|---|---|---|
| CF4 5QD | Llanishen | 51.523726 | -3.184781 | 317899 | 181200 | ST178812 |
| CF4 5QE | Llanishen | 51.522827 | -3.184757 | 317899 | 181100 | ST178811 |
| CF4 5QF | Llanishen | 51.521928 | -3.184734 | 317899 | 181000 | ST178810 |
| CF4 5QG | Llanishen | 51.522841 | -3.183316 | 317999 | 181100 | ST179811 |
| CF4 5QH | Heath | 51.517433 | -3.184617 | 317899 | 180500 | ST178805 |
| CF4 5QJ | Heath | 51.518332 | -3.18464 | 317899 | 180600 | ST178806 |
| CF4 5QL | Heath | 51.519216 | -3.186105 | 317799 | 180700 | ST177807 |
| CF4 5QN | Llanishen | 51.521029 | -3.184711 | 317899 | 180900 | ST178809 |
| CF4 5QP | Llanishen | 51.521029 | -3.184711 | 317899 | 180900 | ST178809 |
| CF4 5QS | Llanishen | 51.521029 | -3.184711 | 317899 | 180900 | ST178809 |
| CF4 5QT | Llanishen | 51.521029 | -3.184711 | 317899 | 180900 | ST178809 |
| CF4 5QZ | Llanishen | 51.521029 | -3.184711 | 317899 | 180900 | ST178809 |
| CF4 5RA | Llanishen | 51.53186 | -3.180667 | 318199 | 182100 | ST181821 |
| CF4 5RB | Llanishen | 51.530961 | -3.180644 | 318199 | 182000 | ST181820 |
| CF4 5RD | Llanishen | 51.530961 | -3.180644 | 318199 | 182000 | ST181820 |
| CF4 5RE | Llanishen | 51.530961 | -3.180644 | 318199 | 182000 | ST181820 |
| CF4 5RF | Llanishen | 51.529149 | -3.182039 | 318099 | 181800 | ST180818 |
| CF4 5RG | Llanishen | 51.530091 | -3.177738 | 318399 | 181900 | ST183819 |
| CF4 5RH | Llanishen | 51.528264 | -3.180574 | 318199 | 181700 | ST181817 |
| CF4 5RJ | Llanishen | 51.530077 | -3.179179 | 318299 | 181900 | ST182819 |
| CF4 5RL | Llanishen | 51.530961 | -3.180644 | 318199 | 182000 | ST181820 |
| CF4 5RN | Llanishen | 51.531889 | -3.177785 | 318399 | 182100 | ST183821 |
| CF4 5RP | Lisvane and Thornhill | 51.548256 | -3.159459 | 319699 | 183900 | ST196839 |
| CF4 5RQ | Lisvane and Thornhill | 51.538268 | -3.169298 | 318999 | 182800 | ST189828 |
| CF4 5RR | Lisvane and Thornhill | 51.542633 | -3.182389 | 318099 | 183300 | ST180833 |
| CF4 5RS | Lisvane and Thornhill | 51.54082 | -3.183784 | 317999 | 183100 | ST179831 |
| CF4 5RT | Lisvane and Thornhill | 51.542633 | -3.182389 | 318099 | 183300 | ST180833 |
| CF4 5RU | Lisvane and Thornhill | 51.541748 | -3.180924 | 318199 | 183200 | ST181832 |
| CF4 5RW | Lisvane and Thornhill | 51.541748 | -3.180924 | 318199 | 183200 | ST181832 |
| CF4 5RX | Lisvane and Thornhill | 51.540864 | -3.179459 | 318299 | 183100 | ST182831 |
| CF4 5RY | Llanishen | 51.533687 | -3.177831 | 318399 | 182300 | ST183823 |
| CF4 5RZ | Llanishen | 51.532788 | -3.177808 | 318399 | 182200 | ST183822 |
| CF4 5SA | Llanishen | 51.532744 | -3.182132 | 318099 | 182200 | ST180822 |
| CF4 5SB | Llanishen | 51.53186 | -3.180667 | 318199 | 182100 | ST181821 |
| CF4 5SD | Llanishen | 51.532773 | -3.179249 | 318299 | 182200 | ST182822 |
| CF4 5SE | Llanishen | 51.532773 | -3.179249 | 318299 | 182200 | ST182822 |
| CF4 5SF | Lisvane and Thornhill | 51.535514 | -3.174995 | 318599 | 182500 | ST185825 |
| CF4 5SG | Lisvane and Thornhill | 51.538268 | -3.169298 | 318999 | 182800 | ST189828 |
| CF4 5SH | Lisvane and Thornhill | 51.54008 | -3.167903 | 319099 | 183000 | ST190830 |
| CF4 5SJ | Lisvane and Thornhill | 51.54008 | -3.167903 | 319099 | 183000 | ST190830 |
| CF4 5SL | Lisvane and Thornhill | 51.539181 | -3.16788 | 319099 | 182900 | ST190829 |
| CF4 5SN | Lisvane and Thornhill | 51.549084 | -3.166691 | 319199 | 184000 | ST191840 |
| CF4 5SP | Lisvane and Thornhill | 51.540979 | -3.167926 | 319099 | 183100 | ST190831 |
| CF4 5SQ | Lisvane and Thornhill | 51.540965 | -3.169368 | 318999 | 183100 | ST189831 |
| CF4 5SR | Lisvane and Thornhill | 51.539109 | -3.175088 | 318599 | 182900 | ST185829 |
| CF4 5SS | Lisvane and Thornhill | 51.540965 | -3.169368 | 318999 | 183100 | ST189831 |
| CF4 5ST | Lisvane and Thornhill | 51.540051 | -3.170786 | 318899 | 183000 | ST188830 |
| CF4 5SU | Lisvane and Thornhill | 51.539109 | -3.175088 | 318599 | 182900 | ST185829 |
| CF4 5SW | Lisvane and Thornhill | 51.538196 | -3.176506 | 318499 | 182800 | ST184828 |
| CF4 5SX | Lisvane and Thornhill | 51.54095 | -3.170809 | 318899 | 183100 | ST188831 |
| CF4 5SY | Lisvane and Thornhill | 51.541835 | -3.172274 | 318799 | 183200 | ST187832 |
| CF4 5SZ | Lisvane and Thornhill | 51.542705 | -3.17518 | 318599 | 183300 | ST185833 |
| CF4 5TA | Lisvane and Thornhill | 51.54095 | -3.170809 | 318899 | 183100 | ST188831 |
| CF4 5TB | Lisvane and Thornhill | 51.541806 | -3.175157 | 318599 | 183200 | ST185832 |
| CF4 5TD | Lisvane and Thornhill | 51.540907 | -3.175134 | 318599 | 183100 | ST185831 |
| CF4 5TE | Lisvane and Thornhill | 51.542691 | -3.176622 | 318499 | 183300 | ST184833 |
| CF4 5TF | Lisvane and Thornhill | 51.541777 | -3.17804 | 318399 | 183200 | ST183832 |
| CF4 5TG | Lisvane and Thornhill | 51.541792 | -3.176599 | 318499 | 183200 | ST184832 |
| CF4 5TH | Lisvane and Thornhill | 51.540893 | -3.176576 | 318499 | 183100 | ST184831 |
| CF4 5TJ | Lisvane and Thornhill | 51.539994 | -3.176552 | 318499 | 183000 | ST184830 |
| CF4 5TL | Lisvane and Thornhill | 51.538167 | -3.179389 | 318299 | 182800 | ST182828 |
| CF4 5TN | Lisvane and Thornhill | 51.538182 | -3.177948 | 318399 | 182800 | ST183828 |
| CF4 5TP | Lisvane and Thornhill | 51.544255 | -3.181998 | 318129 | 183480 | ST181834 |
| CF4 5TQ | Lisvane and Thornhill | 51.541748 | -3.180924 | 318199 | 183200 | ST181832 |
| CF4 5TR | Llanishen | 51.526825 | -3.198412 | 316959 | 181560 | ST169815 |
| CF4 5TS | Llanishen | 51.530903 | -3.186409 | 317799 | 182000 | ST177820 |
| CF4 5TT | Lisvane and Thornhill | 51.534615 | -3.174972 | 318599 | 182400 | ST185824 |
| CF4 5TU | Llanishen | 51.532404 | -3.187385 | 317734 | 182168 | ST177821 |
| CF4 5TW | Llanishen | 51.532404 | -3.187385 | 317734 | 182168 | ST177821 |
| CF4 5TX | Llanishen | 51.527175 | -3.199286 | 316899 | 181600 | ST168816 |
| CF4 5TY | Llanishen | 51.533672 | -3.179273 | 318299 | 182300 | ST182823 |
| CF4 5TZ | Llanishen | 51.527175 | -3.199286 | 316899 | 181600 | ST168816 |
| CF4 5UA | Rhiwbina | 51.53696 | -3.209637 | 316199 | 182700 | ST161827 |
| CF4 5UB | Lisvane and Thornhill | 51.550518 | -3.202785 | 316699 | 184200 | ST166842 |
| CF4 5UD | Lisvane and Thornhill | 51.551535 | -3.191273 | 317499 | 184300 | ST174843 |
| CF4 5UE | Lisvane and Thornhill | 51.54446 | -3.179552 | 318299 | 183500 | ST182835 |
| CF4 5UF | Lisvane and Thornhill | 51.550752 | -3.179715 | 318299 | 184200 | ST182842 |
| CF4 5UG | Lisvane and Thornhill | 51.542676 | -3.178064 | 318399 | 183300 | ST183833 |
| CF4 5UH | Lisvane and Thornhill | 51.542676 | -3.178064 | 318399 | 183300 | ST183833 |
| CF4 5UJ | Lisvane and Thornhill | 51.54446 | -3.179552 | 318299 | 183500 | ST182835 |
| CF4 5UL | Lisvane and Thornhill | 51.545359 | -3.179575 | 318299 | 183600 | ST182836 |
| CF4 5UN | Llanishen | 51.527184 | -3.198421 | 316959 | 181600 | ST169816 |
| CF4 5UP | Llanishen | 51.534528 | -3.18362 | 317999 | 182400 | ST179824 |
| CF4 5UQ | Lisvane and Thornhill | 51.536326 | -3.183667 | 317999 | 182600 | ST179826 |
| CF4 5UR | Lisvane and Thornhill | 51.536326 | -3.183667 | 317999 | 182600 | ST179826 |
| CF4 5US | Lisvane and Thornhill | 51.536398 | -3.17646 | 318499 | 182600 | ST184826 |
| CF4 5UT | Llanishen | 51.529091 | -3.187804 | 317699 | 181800 | ST176818 |
| CF4 5UU | Llanishen | 51.530903 | -3.186409 | 317799 | 182000 | ST177820 |
| CF4 5UW | Llanishen | 51.531831 | -3.18355 | 317999 | 182100 | ST179821 |
| CF4 5UX | Llanishen | 51.530932 | -3.183527 | 317999 | 182000 | ST179820 |
| CF4 5UY | Llanishen | 51.530004 | -3.186386 | 317799 | 181900 | ST177819 |
| CF4 5UZ | Llanishen | 51.530019 | -3.184944 | 317899 | 181900 | ST178819 |
| CF4 5WA | Llanishen | 51.52719 | -3.197845 | 316999 | 181600 | ST169816 |
| CF4 5WB | Llanishen | 51.52756 | -3.196846 | 317069 | 181640 | ST170816 |
| CF4 5WD | Llanishen | 51.52719 | -3.197845 | 316999 | 181600 | ST169816 |
| CF4 5WE | Llanishen | 51.527016 | -3.197264 | 317039 | 181580 | ST170815 |
| CF4 5WF | Llanishen | 51.523225 | -3.189813 | 317549 | 181150 | ST175811 |
| CF4 5WG | Llanishen | 51.527016 | -3.197264 | 317039 | 181580 | ST170815 |
| CF4 5WH | Llanishen | 51.52719 | -3.197845 | 316999 | 181600 | ST169816 |
| CF4 5WJ | Llanishen | 51.522574 | -3.191958 | 317399 | 181080 | ST173810 |